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8090 [49]
3 years ago
13

What number is between 2000 and 2500

Physics
1 answer:
Kitty [74]3 years ago
6 0
If its just a number 2,300 is an answer 
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Find the electric energy density between the plates of a 225-μF parallel-plate capacitor. The potential difference between the p
PSYCHO15rus [73]

Answer:

Energy density will be 14.73 J/m^3

Explanation:

We have given capacitance C=225\mu F=225\times 10^{-6}F

Potential difference between the plates = 365 V

Plate separation d = 0.200 mm 0.2\times 10^{-3}m

We know that there is relation between electric field and potential

E=\frac{V}{d}, here E is electric field, V is potential and d is separation between the plates

So E=\frac{V}{d}=\frac{365}{0.2\times 10^{-3}}=1825000N/C

Energy density is given by E=\frac{1}{2}\varepsilon _0E^2=\frac{1}{2}\times 8.85\times 10^{-12}\times (1.825\times 10^6)^2=14.73J/m^3

5 0
2 years ago
In an engine, an almost ideal gas is compressed adiabatically to half its volume. In doing so, 1850 J of work is done on the gas
Oliga [24]

Answer:

The value of change in internal l energy of the gas = 1850 J

Explanation:

Work done on the gas (W) =  - 1850 J

Negative sign is due to work done on the system.

From the first law  we know that Q = Δ U + W ------------- (1)

Where Q = Heat transfer to the gas

Δ U = Change in internal energy of the gas

W = work done on the gas

Since it is adiabatic compression of the gas so heat transfer to the gas is zero.

⇒ Q = 0

So from equation (1)

⇒ Δ U = - W ----------------- (2)

⇒ W = - 1850 J (Given)

⇒ Δ U = - (- 1850)

⇒ Δ U = + 1850 J

This is the value of change in internal energy of the gas.

6 0
3 years ago
What travels with a sound wave matter, energy or both?
il63 [147K]
Energy travels with sound waves.
8 0
3 years ago
Read 2 more answers
HELP ASAP
MrRa [10]
BURGER KING, MCDONALDS, PIZZA, CHIPOTLE
7 0
2 years ago
Read 2 more answers
A 1000kg truck is moving at a velocity of 4m/s what is it's momentum?
Alona [7]

Answer:

4000 kg m/s

Explanation:

<u><em>p=mv</em></u>

  • p = momentum in kg m/s
  • m = mass in kg
  • v = velocity in m/s

substitute values into the formula above to get:

p=1000x4

<u><em>p=4000 kg m/s</em></u>

6 0
2 years ago
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